Monitoring Faults 2.4

Outline:

• Monitoring Faults

  • monitoring San Andreas fault

• Devices that monitor faults

  • instruments measure stress and deformation in the crust
  • creep meters
    • measure amount fault moves
  • laser ranging devices
    • uses laser beams to detect fault movement
  • tiltmeters
    • measures tilting off the ground
  • satellite monitors
    • used to make images of faults

• Monitoring risk in the united states

  • geologists determine quakes by locating active faults